Победители - Greenshopbg.com | Магазин за здраве и хранителни добавки

html
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Winner Draw</title>
    <style>
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            display: flex;
            justify-content: center;
            align-items: center;
            min-height: 100vh;
            margin: 0;
            color: #333;
        }
        .container {
            background: white;
            padding: 2rem;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.2);
            text-align: center;
            max-width: 500px;
            width: 90%;
        }
        h1 {
            color: #4a5568;
            margin-bottom: 1.5rem;
        }
        textarea {
            width: 100%;
            height: 200px;
            padding: 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 10px;
            font-size: 1rem;
            resize: vertical;
            margin-bottom: 1rem;
            box-sizing: border-box;
        }
        textarea:focus {
            outline: none;
            border-color: #667eea;
        }
        button {
            background: #667eea;
            color: white;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 10px;
            font-size: 1rem;
            cursor: pointer;
            margin: 0 0.5rem;
            transition: background 0.3s;
        }
        button:hover {
            background: #5a67d8;
        }
        button.reset {
            background: #e53e3e;
        }
        button.reset:hover {
            background: #c53030;
        }
        #winner {
            margin-top: 2rem;
            min-height: 60px;
            font-size: 1.5rem;
            font-weight: bold;
            color: #2d3748;
            opacity: 0;
            transform: translateY(20px);
            transition: all 0.5s ease;
        }
        #winner.show {
            opacity: 1;
            transform: translateY(0);
            animation: celebrate 1s ease-in-out;
        }
        @keyframes celebrate {
            0% { transform: scale(0.5) rotate(-10deg); }
            50% { transform: scale(1.2) rotate(10deg); }
            100% { transform: scale(1) rotate(0deg); }
        }
        .confetti {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 1000;
        }
        .confetti-piece {
            position: absolute;
            width: 10px;
            height: 10px;
            background: #ff6b6b;
            animation: confetti-fall 3s linear infinite;
        }
        .confetti-piece:nth-child(2) { background: #4ecdc4; animation-delay: 0.5s; }
        .confetti-piece:nth-child(3) { background: #45b7d1; animation-delay: 1s; }
        .confetti-piece:nth-child(4) { background: #96ceb4; animation-delay: 1.5s; }
        .confetti-piece:nth-child(5) { background: #feca57; animation-delay: 2s; }
        @keyframes confetti-fall {
            0% { transform: translateY(-100vh) rotate(0deg); opacity: 1; }
            100% { transform: translateY(100vh) rotate(360deg); opacity: 0; }
        }
    </style>
</head>
<body>
    <div class="container">
        <h1>Draw a Winner</h1>
        <textarea id="participants" placeholder="Enter participant names, one per line..."></textarea>
        <div>
            <button onclick="drawWinner()">Draw Winner</button>
            <button class="reset" onclick="reset()">Reset</button>
        </div>
        <div id="winner"></div>
    </div>

    <script>
        let audioContext;

        function drawWinner() {
            const textarea = document.getElementById('participants');
            const names = textarea.value.trim().split('\n').filter(name => name.trim() !== '');
            if (names.length === 0) {
                alert('Please enter some participants!');
                return;
            }
            const winner = names[Math.floor(Math.random() * names.length)];
            const winnerDiv = document.getElementById('winner');
            winnerDiv.textContent = `Congratulations! Winner: ${winner}`;
            winnerDiv.classList.add('show');
            createConfetti();
            playCelebration();
        }

        function reset() {
            document.getElementById('participants').value = '';
            document.getElementById('winner').textContent = '';
            document.getElementById('winner').classList.remove('show');
            document.querySelector('.confetti')?.remove();
        }

        function createConfetti() {
            const confetti = document.createElement('div');
            confetti.classList.add('confetti');
            for (let i = 0; i < 50; i++) {
                const piece = document.createElement('div');
                piece.classList.add('confetti-piece');
                piece.style.left = Math.random() * 100 + '%';
                piece.style.animationDuration = (Math.random() * 3 + 2) + 's';
                piece.style.animationDelay = Math.random() * 3 + 's';
                confetti.appendChild(piece);
            }
            document.body.appendChild(confetti);
            setTimeout(() => confetti.remove(), 5000);
        }

        function playCelebration() {
            if (!audioContext) {
                audioContext = new (window.AudioContext || window.webkitAudioContext)();
            }
            if (audioContext.state === 'suspended') {
                audioContext.resume();
            }

            const notes = [
                { freq: 523.25, duration: 0.2 }, // C5
                { freq: 587.33, duration: 0.2 }, // D5
                { freq: 659.25, duration: 0.2 }, // E5
                { freq: 783.99, duration: 0.4 }, // G5
                { freq: 1046.50, duration: 0.6 }  // C6
            ];

            let time = 0;
            notes.forEach(note => {
                const oscillator = audioContext.createOscillator();
                const gainNode = audioContext.createGain();
                oscillator.connect(gainNode);
                gainNode.connect(audioContext.destination);

                oscillator.frequency.setValueAtTime(note.freq, audioContext.currentTime + time);
                oscillator.type = 'sine';

                gainNode.gain.setValueAtTime(0, audioContext.currentTime + time);
                gainNode.gain.linearRampToValueAtTime(0.3, audioContext.currentTime + time + 0.01);
                gainNode.gain.exponentialRampToValueAtTime(0.01, audioContext.currentTime + time + note.duration);

                oscillator.start(audioContext.currentTime + time);
                oscillator.stop(audioContext.currentTime + time + note.duration);

                time += note.duration;
            });
        }
    </script>
</body>
</html>
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